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Re: RAID 6 mdadm

On Wed, 2013-04-10 at 17:57 +0200, Dexter Filmore wrote:
> Am Wednesday 10 April 2013 17:21:35 schrieb Muhammad Yousuf Khan:
> > exactly, i am using RAID 1 with mdadm and not more then 230 or 300MB
> > throughput.  and the people are harnessing 4GB so this is the point
> where i
> > am confused
> You cannot get more than about 200MB/s out of a RAID1 setup, not even
> with 
> 15krpm SAS drives. the RAID1 will never be faster than a single disk.
> How 
> would it.
It can read faster than a single disk by combining reads from different
sectors on different disks.  I think your assertion is incorrect for
reading, though  not for writing.

Ross Boylan

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